﻿#region Using directives

using System;
using System.Data;
using System.Data.Common;
using System.Collections;
using System.Collections.Generic;

using Pharmacy.Entities;
using Pharmacy.Data;

#endregion

namespace Pharmacy.Data.Bases
{	
	///<summary>
	/// This class is the base class for any <see cref="GrnProviderBase"/> implementation.
	/// It exposes CRUD methods as well as selecting on index, foreign keys and custom stored procedures.
	///</summary>
	public abstract partial class GrnProviderBaseCore : EntityProviderBase<Pharmacy.Entities.Grn, Pharmacy.Entities.GrnKey>
	{		
		#region Get from Many To Many Relationship Functions
		#endregion	
		
		#region Delete Methods

		/// <summary>
		/// 	Deletes a row from the DataSource.
		/// </summary>
		/// <param name="transactionManager">A <see cref="TransactionManager"/> object.</param>
		/// <param name="key">The unique identifier of the row to delete.</param>
		/// <returns>Returns true if operation suceeded.</returns>
		public override bool Delete(TransactionManager transactionManager, Pharmacy.Entities.GrnKey key)
		{
			return Delete(transactionManager, key.GrnId);
		}
		
		/// <summary>
		/// 	Deletes a row from the DataSource.
		/// </summary>
		/// <param name="_grnId">. Primary Key.</param>
		/// <remarks>Deletes based on primary key(s).</remarks>
		/// <returns>Returns true if operation suceeded.</returns>
		public bool Delete(System.String _grnId)
		{
			return Delete(null, _grnId);
		}
		
		/// <summary>
		/// 	Deletes a row from the DataSource.
		/// </summary>
		/// <param name="transactionManager"><see cref="TransactionManager"/> object</param>
		/// <param name="_grnId">. Primary Key.</param>
		/// <remarks>Deletes based on primary key(s).</remarks>
		/// <returns>Returns true if operation suceeded.</returns>
		public abstract bool Delete(TransactionManager transactionManager, System.String _grnId);		
		
		#endregion Delete Methods
		
		#region Get By Foreign Key Functions
	
		/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_PO key.
		///		FK_GRN_PO Description: 
		/// </summary>
		/// <param name="_poId"></param>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		public TList<Grn> GetByPoId(System.String _poId)
		{
			int count = -1;
			return GetByPoId(_poId, 0,int.MaxValue, out count);
		}
		
		/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_PO key.
		///		FK_GRN_PO Description: 
		/// </summary>
		/// <param name="transactionManager"><see cref="TransactionManager"/> object</param>
		/// <param name="_poId"></param>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		/// <remarks></remarks>
		public TList<Grn> GetByPoId(TransactionManager transactionManager, System.String _poId)
		{
			int count = -1;
			return GetByPoId(transactionManager, _poId, 0, int.MaxValue, out count);
		}
		
			/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_PO key.
		///		FK_GRN_PO Description: 
		/// </summary>
		/// <param name="transactionManager"><see cref="TransactionManager"/> object</param>
		/// <param name="_poId"></param>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		///  <param name="pageLength">Number of rows to return.</param>
		/// <remarks></remarks>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		public TList<Grn> GetByPoId(TransactionManager transactionManager, System.String _poId, int start, int pageLength)
		{
			int count = -1;
			return GetByPoId(transactionManager, _poId, start, pageLength, out count);
		}
		
		/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_PO key.
		///		fkGrnPo Description: 
		/// </summary>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">Number of rows to return.</param>
		/// <param name="_poId"></param>
		/// <remarks></remarks>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		public TList<Grn> GetByPoId(System.String _poId, int start, int pageLength)
		{
			int count =  -1;
			return GetByPoId(null, _poId, start, pageLength,out count);	
		}
		
		/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_PO key.
		///		fkGrnPo Description: 
		/// </summary>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">Number of rows to return.</param>
		/// <param name="_poId"></param>
		/// <param name="count">out parameter to get total records for query</param>
		/// <remarks></remarks>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		public TList<Grn> GetByPoId(System.String _poId, int start, int pageLength,out int count)
		{
			return GetByPoId(null, _poId, start, pageLength, out count);	
		}
						
		/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_PO key.
		///		FK_GRN_PO Description: 
		/// </summary>
		/// <param name="transactionManager"><see cref="TransactionManager"/> object</param>
		/// <param name="_poId"></param>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">Number of rows to return.</param>
		/// <param name="count">The total number of records.</param>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		public abstract TList<Grn> GetByPoId(TransactionManager transactionManager, System.String _poId, int start, int pageLength, out int count);
		
	
		/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_Supplier key.
		///		FK_GRN_Supplier Description: 
		/// </summary>
		/// <param name="_supplierId"></param>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		public TList<Grn> GetBySupplierId(System.String _supplierId)
		{
			int count = -1;
			return GetBySupplierId(_supplierId, 0,int.MaxValue, out count);
		}
		
		/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_Supplier key.
		///		FK_GRN_Supplier Description: 
		/// </summary>
		/// <param name="transactionManager"><see cref="TransactionManager"/> object</param>
		/// <param name="_supplierId"></param>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		/// <remarks></remarks>
		public TList<Grn> GetBySupplierId(TransactionManager transactionManager, System.String _supplierId)
		{
			int count = -1;
			return GetBySupplierId(transactionManager, _supplierId, 0, int.MaxValue, out count);
		}
		
			/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_Supplier key.
		///		FK_GRN_Supplier Description: 
		/// </summary>
		/// <param name="transactionManager"><see cref="TransactionManager"/> object</param>
		/// <param name="_supplierId"></param>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		///  <param name="pageLength">Number of rows to return.</param>
		/// <remarks></remarks>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		public TList<Grn> GetBySupplierId(TransactionManager transactionManager, System.String _supplierId, int start, int pageLength)
		{
			int count = -1;
			return GetBySupplierId(transactionManager, _supplierId, start, pageLength, out count);
		}
		
		/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_Supplier key.
		///		fkGrnSupplier Description: 
		/// </summary>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">Number of rows to return.</param>
		/// <param name="_supplierId"></param>
		/// <remarks></remarks>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		public TList<Grn> GetBySupplierId(System.String _supplierId, int start, int pageLength)
		{
			int count =  -1;
			return GetBySupplierId(null, _supplierId, start, pageLength,out count);	
		}
		
		/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_Supplier key.
		///		fkGrnSupplier Description: 
		/// </summary>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">Number of rows to return.</param>
		/// <param name="_supplierId"></param>
		/// <param name="count">out parameter to get total records for query</param>
		/// <remarks></remarks>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		public TList<Grn> GetBySupplierId(System.String _supplierId, int start, int pageLength,out int count)
		{
			return GetBySupplierId(null, _supplierId, start, pageLength, out count);	
		}
						
		/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_Supplier key.
		///		FK_GRN_Supplier Description: 
		/// </summary>
		/// <param name="transactionManager"><see cref="TransactionManager"/> object</param>
		/// <param name="_supplierId"></param>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">Number of rows to return.</param>
		/// <param name="count">The total number of records.</param>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		public abstract TList<Grn> GetBySupplierId(TransactionManager transactionManager, System.String _supplierId, int start, int pageLength, out int count);
		
	
		/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_WebUser key.
		///		FK_GRN_WebUser Description: 
		/// </summary>
		/// <param name="_preparedBy"></param>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		public TList<Grn> GetByPreparedBy(System.String _preparedBy)
		{
			int count = -1;
			return GetByPreparedBy(_preparedBy, 0,int.MaxValue, out count);
		}
		
		/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_WebUser key.
		///		FK_GRN_WebUser Description: 
		/// </summary>
		/// <param name="transactionManager"><see cref="TransactionManager"/> object</param>
		/// <param name="_preparedBy"></param>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		/// <remarks></remarks>
		public TList<Grn> GetByPreparedBy(TransactionManager transactionManager, System.String _preparedBy)
		{
			int count = -1;
			return GetByPreparedBy(transactionManager, _preparedBy, 0, int.MaxValue, out count);
		}
		
			/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_WebUser key.
		///		FK_GRN_WebUser Description: 
		/// </summary>
		/// <param name="transactionManager"><see cref="TransactionManager"/> object</param>
		/// <param name="_preparedBy"></param>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		///  <param name="pageLength">Number of rows to return.</param>
		/// <remarks></remarks>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		public TList<Grn> GetByPreparedBy(TransactionManager transactionManager, System.String _preparedBy, int start, int pageLength)
		{
			int count = -1;
			return GetByPreparedBy(transactionManager, _preparedBy, start, pageLength, out count);
		}
		
		/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_WebUser key.
		///		fkGrnWebUser Description: 
		/// </summary>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">Number of rows to return.</param>
		/// <param name="_preparedBy"></param>
		/// <remarks></remarks>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		public TList<Grn> GetByPreparedBy(System.String _preparedBy, int start, int pageLength)
		{
			int count =  -1;
			return GetByPreparedBy(null, _preparedBy, start, pageLength,out count);	
		}
		
		/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_WebUser key.
		///		fkGrnWebUser Description: 
		/// </summary>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">Number of rows to return.</param>
		/// <param name="_preparedBy"></param>
		/// <param name="count">out parameter to get total records for query</param>
		/// <remarks></remarks>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		public TList<Grn> GetByPreparedBy(System.String _preparedBy, int start, int pageLength,out int count)
		{
			return GetByPreparedBy(null, _preparedBy, start, pageLength, out count);	
		}
						
		/// <summary>
		/// 	Gets rows from the datasource based on the FK_GRN_WebUser key.
		///		FK_GRN_WebUser Description: 
		/// </summary>
		/// <param name="transactionManager"><see cref="TransactionManager"/> object</param>
		/// <param name="_preparedBy"></param>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">Number of rows to return.</param>
		/// <param name="count">The total number of records.</param>
		/// <returns>Returns a typed collection of Pharmacy.Entities.Grn objects.</returns>
		public abstract TList<Grn> GetByPreparedBy(TransactionManager transactionManager, System.String _preparedBy, int start, int pageLength, out int count);
		
		#endregion

		#region Get By Index Functions
		
		/// <summary>
		/// 	Gets a row from the DataSource based on its primary key.
		/// </summary>
		/// <param name="transactionManager">A <see cref="TransactionManager"/> object.</param>
		/// <param name="key">The unique identifier of the row to retrieve.</param>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">Number of rows to return.</param>
		/// <returns>Returns an instance of the Entity class.</returns>
		public override Pharmacy.Entities.Grn Get(TransactionManager transactionManager, Pharmacy.Entities.GrnKey key, int start, int pageLength)
		{
			return GetByGrnId(transactionManager, key.GrnId, start, pageLength);
		}
		
		/// <summary>
		/// 	Gets rows from the datasource based on the primary key PK_GRN index.
		/// </summary>
		/// <param name="_grnId"></param>
		/// <returns>Returns an instance of the <see cref="Pharmacy.Entities.Grn"/> class.</returns>
		public Pharmacy.Entities.Grn GetByGrnId(System.String _grnId)
		{
			int count = -1;
			return GetByGrnId(null,_grnId, 0, int.MaxValue, out count);
		}
		
		/// <summary>
		/// 	Gets rows from the datasource based on the PK_GRN index.
		/// </summary>
		/// <param name="_grnId"></param>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">Number of rows to return.</param>
		/// <remarks></remarks>
		/// <returns>Returns an instance of the <see cref="Pharmacy.Entities.Grn"/> class.</returns>
		public Pharmacy.Entities.Grn GetByGrnId(System.String _grnId, int start, int pageLength)
		{
			int count = -1;
			return GetByGrnId(null, _grnId, start, pageLength, out count);
		}
		
		/// <summary>
		/// 	Gets rows from the datasource based on the PK_GRN index.
		/// </summary>
		/// <param name="transactionManager"><see cref="TransactionManager"/> object</param>
		/// <param name="_grnId"></param>
		/// <remarks></remarks>
		/// <returns>Returns an instance of the <see cref="Pharmacy.Entities.Grn"/> class.</returns>
		public Pharmacy.Entities.Grn GetByGrnId(TransactionManager transactionManager, System.String _grnId)
		{
			int count = -1;
			return GetByGrnId(transactionManager, _grnId, 0, int.MaxValue, out count);
		}
		
		/// <summary>
		/// 	Gets rows from the datasource based on the PK_GRN index.
		/// </summary>
		/// <param name="transactionManager"><see cref="TransactionManager"/> object</param>
		/// <param name="_grnId"></param>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">Number of rows to return.</param>
		/// <remarks></remarks>
		/// <returns>Returns an instance of the <see cref="Pharmacy.Entities.Grn"/> class.</returns>
		public Pharmacy.Entities.Grn GetByGrnId(TransactionManager transactionManager, System.String _grnId, int start, int pageLength)
		{
			int count = -1;
			return GetByGrnId(transactionManager, _grnId, start, pageLength, out count);
		}
		
		/// <summary>
		/// 	Gets rows from the datasource based on the PK_GRN index.
		/// </summary>
		/// <param name="_grnId"></param>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">Number of rows to return.</param>
		/// <param name="count">out parameter to get total records for query</param>
		/// <remarks></remarks>
		/// <returns>Returns an instance of the <see cref="Pharmacy.Entities.Grn"/> class.</returns>
		public Pharmacy.Entities.Grn GetByGrnId(System.String _grnId, int start, int pageLength, out int count)
		{
			return GetByGrnId(null, _grnId, start, pageLength, out count);
		}
		
				
		/// <summary>
		/// 	Gets rows from the datasource based on the PK_GRN index.
		/// </summary>
		/// <param name="transactionManager"><see cref="TransactionManager"/> object</param>
		/// <param name="_grnId"></param>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">Number of rows to return.</param>
		/// <param name="count">The total number of records.</param>
		/// <returns>Returns an instance of the <see cref="Pharmacy.Entities.Grn"/> class.</returns>
		public abstract Pharmacy.Entities.Grn GetByGrnId(TransactionManager transactionManager, System.String _grnId, int start, int pageLength, out int count);
						
		#endregion "Get By Index Functions"
	
		#region Custom Methods
		
		
		#region _Grn_GetByDate 
		
		/// <summary>
		///	This method wrap the '_Grn_GetByDate' stored procedure. 
		/// </summary>
		/// <param name="fromdate"> A <c>System.DateTime?</c> instance.</param>
		/// <param name="todate"> A <c>System.DateTime?</c> instance.</param>
		/// <remark>This method is generate from a stored procedure.</remark>
		/// <returns>A <see cref="DataSet"/> instance.</returns>
		public DataSet GetByDate(System.DateTime? fromdate, System.DateTime? todate)
		{
			return GetByDate(null, 0, int.MaxValue , fromdate, todate);
		}
		
		/// <summary>
		///	This method wrap the '_Grn_GetByDate' stored procedure. 
		/// </summary>
		/// <param name="fromdate"> A <c>System.DateTime?</c> instance.</param>
		/// <param name="todate"> A <c>System.DateTime?</c> instance.</param>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">Number of rows to return.</param>
		/// <remark>This method is generate from a stored procedure.</remark>
		/// <returns>A <see cref="DataSet"/> instance.</returns>
		public DataSet GetByDate(int start, int pageLength, System.DateTime? fromdate, System.DateTime? todate)
		{
			return GetByDate(null, start, pageLength , fromdate, todate);
		}
				
		/// <summary>
		///	This method wrap the '_Grn_GetByDate' stored procedure. 
		/// </summary>
		/// <param name="fromdate"> A <c>System.DateTime?</c> instance.</param>
		/// <param name="todate"> A <c>System.DateTime?</c> instance.</param>
		/// <param name="transactionManager"><see cref="TransactionManager"/> object</param>
		/// <remark>This method is generate from a stored procedure.</remark>
		/// <returns>A <see cref="DataSet"/> instance.</returns>
		public DataSet GetByDate(TransactionManager transactionManager, System.DateTime? fromdate, System.DateTime? todate)
		{
			return GetByDate(transactionManager, 0, int.MaxValue , fromdate, todate);
		}
		
		/// <summary>
		///	This method wrap the '_Grn_GetByDate' stored procedure. 
		/// </summary>
		/// <param name="fromdate"> A <c>System.DateTime?</c> instance.</param>
		/// <param name="todate"> A <c>System.DateTime?</c> instance.</param>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">Number of rows to return.</param>
		/// <param name="transactionManager"><see cref="TransactionManager"/> object</param>
		/// <remark>This method is generate from a stored procedure.</remark>
		/// <returns>A <see cref="DataSet"/> instance.</returns>
		public abstract DataSet GetByDate(TransactionManager transactionManager, int start, int pageLength , System.DateTime? fromdate, System.DateTime? todate);
		
		#endregion
		
		#endregion

		#region Helper Functions	
		
		/// <summary>
		/// Fill a TList&lt;Grn&gt; From a DataReader.
		/// </summary>
		/// <param name="reader">Datareader</param>
		/// <param name="rows">The collection to fill</param>
		/// <param name="start">Row number at which to start reading, the first row is 0.</param>
		/// <param name="pageLength">number of rows.</param>
		/// <returns>a <see cref="TList&lt;Grn&gt;"/></returns>
		public static TList<Grn> Fill(IDataReader reader, TList<Grn> rows, int start, int pageLength)
		{
			NetTiersProvider currentProvider = DataRepository.Provider;
            bool useEntityFactory = currentProvider.UseEntityFactory;
            bool enableEntityTracking = currentProvider.EnableEntityTracking;
            LoadPolicy currentLoadPolicy = currentProvider.CurrentLoadPolicy;
			Type entityCreationFactoryType = currentProvider.EntityCreationalFactoryType;
			
			// advance to the starting row
			for (int i = 0; i < start; i++)
			{
				if (!reader.Read())
				return rows; // not enough rows, just return
			}
			for (int i = 0; i < pageLength; i++)
			{
				if (!reader.Read())
					break; // we are done
					
				string key = null;
				
				Pharmacy.Entities.Grn c = null;
				if (useEntityFactory)
				{
					key = new System.Text.StringBuilder("Grn")
					.Append("|").Append((System.String)reader[((int)GrnColumn.GrnId - 1)]).ToString();
					c = EntityManager.LocateOrCreate<Grn>(
					key.ToString(), // EntityTrackingKey
					"Grn",  //Creational Type
					entityCreationFactoryType,  //Factory used to create entity
					enableEntityTracking); // Track this entity?
				}
				else
				{
					c = new Pharmacy.Entities.Grn();
				}
				
				if (!enableEntityTracking ||
					c.EntityState == EntityState.Added ||
					(enableEntityTracking &&
					
						(
							(currentLoadPolicy == LoadPolicy.PreserveChanges && c.EntityState == EntityState.Unchanged) ||
							(currentLoadPolicy == LoadPolicy.DiscardChanges && c.EntityState != EntityState.Unchanged)
						)
					))
				{
					c.SuppressEntityEvents = true;
					c.GrnId = (System.String)reader[((int)GrnColumn.GrnId - 1)];
					c.OriginalGrnId = c.GrnId;
					c.GrnDate = (System.DateTime)reader[((int)GrnColumn.GrnDate - 1)];
					c.PoId = (reader.IsDBNull(((int)GrnColumn.PoId - 1)))?null:(System.String)reader[((int)GrnColumn.PoId - 1)];
					c.SupplierId = (System.String)reader[((int)GrnColumn.SupplierId - 1)];
					c.PreparedBy = (System.String)reader[((int)GrnColumn.PreparedBy - 1)];
					c.Amount = (System.Decimal)reader[((int)GrnColumn.Amount - 1)];
					c.Vat = (System.Decimal)reader[((int)GrnColumn.Vat - 1)];
					c.TotalAmount = (System.Decimal)reader[((int)GrnColumn.TotalAmount - 1)];
					c.ExchangeRate = (reader.IsDBNull(((int)GrnColumn.ExchangeRate - 1)))?null:(System.Int32?)reader[((int)GrnColumn.ExchangeRate - 1)];
					c.IsVoid = (System.Boolean)reader[((int)GrnColumn.IsVoid - 1)];
					c.Remark = (reader.IsDBNull(((int)GrnColumn.Remark - 1)))?null:(System.String)reader[((int)GrnColumn.Remark - 1)];
					c.IsComplete = (System.Boolean)reader[((int)GrnColumn.IsComplete - 1)];
					c.EntityTrackingKey = key;
					c.AcceptChanges();
					c.SuppressEntityEvents = false;
				}
				rows.Add(c);
			}
		return rows;
		}		
		/// <summary>
		/// Refreshes the <see cref="Pharmacy.Entities.Grn"/> object from the <see cref="IDataReader"/>.
		/// </summary>
		/// <param name="reader">The <see cref="IDataReader"/> to read from.</param>
		/// <param name="entity">The <see cref="Pharmacy.Entities.Grn"/> object to refresh.</param>
		public static void RefreshEntity(IDataReader reader, Pharmacy.Entities.Grn entity)
		{
			if (!reader.Read()) return;
			
			entity.GrnId = (System.String)reader[((int)GrnColumn.GrnId - 1)];
			entity.OriginalGrnId = (System.String)reader["GRNId"];
			entity.GrnDate = (System.DateTime)reader[((int)GrnColumn.GrnDate - 1)];
			entity.PoId = (reader.IsDBNull(((int)GrnColumn.PoId - 1)))?null:(System.String)reader[((int)GrnColumn.PoId - 1)];
			entity.SupplierId = (System.String)reader[((int)GrnColumn.SupplierId - 1)];
			entity.PreparedBy = (System.String)reader[((int)GrnColumn.PreparedBy - 1)];
			entity.Amount = (System.Decimal)reader[((int)GrnColumn.Amount - 1)];
			entity.Vat = (System.Decimal)reader[((int)GrnColumn.Vat - 1)];
			entity.TotalAmount = (System.Decimal)reader[((int)GrnColumn.TotalAmount - 1)];
			entity.ExchangeRate = (reader.IsDBNull(((int)GrnColumn.ExchangeRate - 1)))?null:(System.Int32?)reader[((int)GrnColumn.ExchangeRate - 1)];
			entity.IsVoid = (System.Boolean)reader[((int)GrnColumn.IsVoid - 1)];
			entity.Remark = (reader.IsDBNull(((int)GrnColumn.Remark - 1)))?null:(System.String)reader[((int)GrnColumn.Remark - 1)];
			entity.IsComplete = (System.Boolean)reader[((int)GrnColumn.IsComplete - 1)];
			entity.AcceptChanges();
		}
		
		/// <summary>
		/// Refreshes the <see cref="Pharmacy.Entities.Grn"/> object from the <see cref="DataSet"/>.
		/// </summary>
		/// <param name="dataSet">The <see cref="DataSet"/> to read from.</param>
		/// <param name="entity">The <see cref="Pharmacy.Entities.Grn"/> object.</param>
		public static void RefreshEntity(DataSet dataSet, Pharmacy.Entities.Grn entity)
		{
			DataRow dataRow = dataSet.Tables[0].Rows[0];
			
			entity.GrnId = (System.String)dataRow["GRNId"];
			entity.OriginalGrnId = (System.String)dataRow["GRNId"];
			entity.GrnDate = (System.DateTime)dataRow["GRNDate"];
			entity.PoId = Convert.IsDBNull(dataRow["POId"]) ? null : (System.String)dataRow["POId"];
			entity.SupplierId = (System.String)dataRow["SupplierID"];
			entity.PreparedBy = (System.String)dataRow["PreparedBy"];
			entity.Amount = (System.Decimal)dataRow["Amount"];
			entity.Vat = (System.Decimal)dataRow["VAT"];
			entity.TotalAmount = (System.Decimal)dataRow["TotalAmount"];
			entity.ExchangeRate = Convert.IsDBNull(dataRow["ExchangeRate"]) ? null : (System.Int32?)dataRow["ExchangeRate"];
			entity.IsVoid = (System.Boolean)dataRow["IsVoid"];
			entity.Remark = Convert.IsDBNull(dataRow["Remark"]) ? null : (System.String)dataRow["Remark"];
			entity.IsComplete = (System.Boolean)dataRow["IsComplete"];
			entity.AcceptChanges();
		}
		#endregion 
		
		#region DeepLoad Methods
		/// <summary>
		/// Deep Loads the <see cref="IEntity"/> object with criteria based of the child 
		/// property collections only N Levels Deep based on the <see cref="DeepLoadType"/>.
		/// </summary>
		/// <remarks>
		/// Use this method with caution as it is possible to DeepLoad with Recursion and traverse an entire object graph.
		/// </remarks>
		/// <param name="transactionManager"><see cref="TransactionManager"/> object</param>
		/// <param name="entity">The <see cref="Pharmacy.Entities.Grn"/> object to load.</param>
		/// <param name="deep">Boolean. A flag that indicates whether to recursively save all Property Collection that are descendants of this instance. If True, saves the complete object graph below this object. If False, saves this object only. </param>
		/// <param name="deepLoadType">DeepLoadType Enumeration to Include/Exclude object property collections from Load.</param>
		/// <param name="childTypes">Pharmacy.Entities.Grn Property Collection Type Array To Include or Exclude from Load</param>
		/// <param name="innerList">A collection of child types for easy access.</param>
	    /// <exception cref="ArgumentNullException">entity or childTypes is null.</exception>
	    /// <exception cref="ArgumentException">deepLoadType has invalid value.</exception>
		public override void DeepLoad(TransactionManager transactionManager, Pharmacy.Entities.Grn entity, bool deep, DeepLoadType deepLoadType, System.Type[] childTypes, DeepSession innerList)
		{
			if(entity == null)
				return;

			#region PoIdSource	
			if (CanDeepLoad(entity, "Po|PoIdSource", deepLoadType, innerList) 
				&& entity.PoIdSource == null)
			{
				object[] pkItems = new object[1];
				pkItems[0] = (entity.PoId ?? string.Empty);
				Po tmpEntity = EntityManager.LocateEntity<Po>(EntityLocator.ConstructKeyFromPkItems(typeof(Po), pkItems), DataRepository.Provider.EnableEntityTracking);
				if (tmpEntity != null)
					entity.PoIdSource = tmpEntity;
				else
					entity.PoIdSource = DataRepository.PoProvider.GetByPoId(transactionManager, (entity.PoId ?? string.Empty));		
				
				#if NETTIERS_DEBUG
				System.Diagnostics.Debug.WriteLine("- property 'PoIdSource' loaded. key " + entity.EntityTrackingKey);
				#endif 
				
				if (deep && entity.PoIdSource != null)
				{
					innerList.SkipChildren = true;
					DataRepository.PoProvider.DeepLoad(transactionManager, entity.PoIdSource, deep, deepLoadType, childTypes, innerList);
					innerList.SkipChildren = false;
				}
					
			}
			#endregion PoIdSource

			#region SupplierIdSource	
			if (CanDeepLoad(entity, "Supplier|SupplierIdSource", deepLoadType, innerList) 
				&& entity.SupplierIdSource == null)
			{
				object[] pkItems = new object[1];
				pkItems[0] = entity.SupplierId;
				Supplier tmpEntity = EntityManager.LocateEntity<Supplier>(EntityLocator.ConstructKeyFromPkItems(typeof(Supplier), pkItems), DataRepository.Provider.EnableEntityTracking);
				if (tmpEntity != null)
					entity.SupplierIdSource = tmpEntity;
				else
					entity.SupplierIdSource = DataRepository.SupplierProvider.GetBySupplierId(transactionManager, entity.SupplierId);		
				
				#if NETTIERS_DEBUG
				System.Diagnostics.Debug.WriteLine("- property 'SupplierIdSource' loaded. key " + entity.EntityTrackingKey);
				#endif 
				
				if (deep && entity.SupplierIdSource != null)
				{
					innerList.SkipChildren = true;
					DataRepository.SupplierProvider.DeepLoad(transactionManager, entity.SupplierIdSource, deep, deepLoadType, childTypes, innerList);
					innerList.SkipChildren = false;
				}
					
			}
			#endregion SupplierIdSource

			#region PreparedBySource	
			if (CanDeepLoad(entity, "WebUser|PreparedBySource", deepLoadType, innerList) 
				&& entity.PreparedBySource == null)
			{
				object[] pkItems = new object[1];
				pkItems[0] = entity.PreparedBy;
				WebUser tmpEntity = EntityManager.LocateEntity<WebUser>(EntityLocator.ConstructKeyFromPkItems(typeof(WebUser), pkItems), DataRepository.Provider.EnableEntityTracking);
				if (tmpEntity != null)
					entity.PreparedBySource = tmpEntity;
				else
					entity.PreparedBySource = DataRepository.WebUserProvider.GetByUserId(transactionManager, entity.PreparedBy);		
				
				#if NETTIERS_DEBUG
				System.Diagnostics.Debug.WriteLine("- property 'PreparedBySource' loaded. key " + entity.EntityTrackingKey);
				#endif 
				
				if (deep && entity.PreparedBySource != null)
				{
					innerList.SkipChildren = true;
					DataRepository.WebUserProvider.DeepLoad(transactionManager, entity.PreparedBySource, deep, deepLoadType, childTypes, innerList);
					innerList.SkipChildren = false;
				}
					
			}
			#endregion PreparedBySource
			
			//used to hold DeepLoad method delegates and fire after all the local children have been loaded.
			Dictionary<string, KeyValuePair<Delegate, object>> deepHandles = new Dictionary<string, KeyValuePair<Delegate, object>>();
			// Deep load child collections  - Call GetByGrnId methods when available
			
			#region GrnDetailsCollection
			//Relationship Type One : Many
			if (CanDeepLoad(entity, "List<GrnDetails>|GrnDetailsCollection", deepLoadType, innerList)) 
			{
				#if NETTIERS_DEBUG
				System.Diagnostics.Debug.WriteLine("- property 'GrnDetailsCollection' loaded. key " + entity.EntityTrackingKey);
				#endif 

				entity.GrnDetailsCollection = DataRepository.GrnDetailsProvider.GetByGrnId(transactionManager, entity.GrnId);

				if (deep && entity.GrnDetailsCollection.Count > 0)
				{
					deepHandles.Add("GrnDetailsCollection",
						new KeyValuePair<Delegate, object>((DeepLoadHandle<GrnDetails>) DataRepository.GrnDetailsProvider.DeepLoad,
						new object[] { transactionManager, entity.GrnDetailsCollection, deep, deepLoadType, childTypes, innerList }
					));
				}
			}		
			#endregion 
			
			
			#region GrnVoid
			// RelationshipType.OneToOne
			if (CanDeepLoad(entity, "GrnVoid|GrnVoid", deepLoadType, innerList))
			{
				entity.GrnVoid = DataRepository.GrnVoidProvider.GetByGrnId(transactionManager, entity.GrnId);
				#if NETTIERS_DEBUG
				System.Diagnostics.Debug.WriteLine("- property 'GrnVoid' loaded. key " + entity.EntityTrackingKey);
				#endif 

				if (deep && entity.GrnVoid != null)
				{
					deepHandles.Add("GrnVoid",
						new KeyValuePair<Delegate, object>((DeepLoadSingleHandle< GrnVoid >) DataRepository.GrnVoidProvider.DeepLoad,
						new object[] { transactionManager, entity.GrnVoid, deep, deepLoadType, childTypes, innerList }
					));
				}
			}
			#endregion 
			
			
			
			//Fire all DeepLoad Items
			foreach(KeyValuePair<Delegate, object> pair in deepHandles.Values)
		    {
                pair.Key.DynamicInvoke((object[])pair.Value);
		    }
			deepHandles = null;
		}
		
		#endregion 
		
		#region DeepSave Methods

		/// <summary>
		/// Deep Save the entire object graph of the Pharmacy.Entities.Grn object with criteria based of the child 
		/// Type property array and DeepSaveType.
		/// </summary>
		/// <param name="transactionManager">The transaction manager.</param>
		/// <param name="entity">Pharmacy.Entities.Grn instance</param>
		/// <param name="deepSaveType">DeepSaveType Enumeration to Include/Exclude object property collections from Save.</param>
		/// <param name="childTypes">Pharmacy.Entities.Grn Property Collection Type Array To Include or Exclude from Save</param>
		/// <param name="innerList">A Hashtable of child types for easy access.</param>
		public override bool DeepSave(TransactionManager transactionManager, Pharmacy.Entities.Grn entity, DeepSaveType deepSaveType, System.Type[] childTypes, DeepSession innerList)
		{	
			if (entity == null)
				return false;
							
			#region Composite Parent Properties
			//Save Source Composite Properties, however, don't call deep save on them.  
			//So they only get saved a single level deep.
			
			#region PoIdSource
			if (CanDeepSave(entity, "Po|PoIdSource", deepSaveType, innerList) 
				&& entity.PoIdSource != null)
			{
				DataRepository.PoProvider.Save(transactionManager, entity.PoIdSource);
				entity.PoId = entity.PoIdSource.PoId;
			}
			#endregion 
			
			#region SupplierIdSource
			if (CanDeepSave(entity, "Supplier|SupplierIdSource", deepSaveType, innerList) 
				&& entity.SupplierIdSource != null)
			{
				DataRepository.SupplierProvider.Save(transactionManager, entity.SupplierIdSource);
				entity.SupplierId = entity.SupplierIdSource.SupplierId;
			}
			#endregion 
			
			#region PreparedBySource
			if (CanDeepSave(entity, "WebUser|PreparedBySource", deepSaveType, innerList) 
				&& entity.PreparedBySource != null)
			{
				DataRepository.WebUserProvider.Save(transactionManager, entity.PreparedBySource);
				entity.PreparedBy = entity.PreparedBySource.UserId;
			}
			#endregion 
			#endregion Composite Parent Properties

			// Save Root Entity through Provider
			if (!entity.IsDeleted)
				this.Save(transactionManager, entity);
			
			//used to hold DeepSave method delegates and fire after all the local children have been saved.
			Dictionary<string, KeyValuePair<Delegate, object>> deepHandles = new Dictionary<string, KeyValuePair<Delegate, object>>();

			#region GrnVoid
			if (CanDeepSave(entity.GrnVoid, "GrnVoid|GrnVoid", deepSaveType, innerList))
			{

				if (entity.GrnVoid != null)
				{
					// update each child parent id with the real parent id (mostly used on insert)

					entity.GrnVoid.GrnId = entity.GrnId;
					//DataRepository.GrnVoidProvider.Save(transactionManager, entity.GrnVoid);
					deepHandles.Add("GrnVoid",
						new KeyValuePair<Delegate, object>((DeepSaveSingleHandle< GrnVoid >) DataRepository.GrnVoidProvider.DeepSave,
						new object[] { transactionManager, entity.GrnVoid, deepSaveType, childTypes, innerList }
					));
				}
			} 
			#endregion 
	
			#region List<GrnDetails>
				if (CanDeepSave(entity.GrnDetailsCollection, "List<GrnDetails>|GrnDetailsCollection", deepSaveType, innerList)) 
				{	
					// update each child parent id with the real parent id (mostly used on insert)
					foreach(GrnDetails child in entity.GrnDetailsCollection)
					{
						if(child.GrnIdSource != null)
						{
							child.GrnId = child.GrnIdSource.GrnId;
						}
						else
						{
							child.GrnId = entity.GrnId;
						}

					}

					if (entity.GrnDetailsCollection.Count > 0 || entity.GrnDetailsCollection.DeletedItems.Count > 0)
					{
						//DataRepository.GrnDetailsProvider.Save(transactionManager, entity.GrnDetailsCollection);
						
						deepHandles.Add("GrnDetailsCollection",
						new KeyValuePair<Delegate, object>((DeepSaveHandle< GrnDetails >) DataRepository.GrnDetailsProvider.DeepSave,
							new object[] { transactionManager, entity.GrnDetailsCollection, deepSaveType, childTypes, innerList }
						));
					}
				} 
			#endregion 
				
			//Fire all DeepSave Items
			foreach(KeyValuePair<Delegate, object> pair in deepHandles.Values)
		    {
                pair.Key.DynamicInvoke((object[])pair.Value);
		    }
			
			// Save Root Entity through Provider, if not already saved in delete mode
			if (entity.IsDeleted)
				this.Save(transactionManager, entity);
				

			deepHandles = null;
						
			return true;
		}
		#endregion
	} // end class
	
	#region GrnChildEntityTypes
	
	///<summary>
	/// Enumeration used to expose the different child entity types 
	/// for child properties in <c>Pharmacy.Entities.Grn</c>
	///</summary>
	public enum GrnChildEntityTypes
	{
		
		///<summary>
		/// Composite Property for <c>Po</c> at PoIdSource
		///</summary>
		[ChildEntityType(typeof(Po))]
		Po,
			
		///<summary>
		/// Composite Property for <c>Supplier</c> at SupplierIdSource
		///</summary>
		[ChildEntityType(typeof(Supplier))]
		Supplier,
			
		///<summary>
		/// Composite Property for <c>WebUser</c> at PreparedBySource
		///</summary>
		[ChildEntityType(typeof(WebUser))]
		WebUser,
	
		///<summary>
		/// Collection of <c>Grn</c> as OneToMany for GrnDetailsCollection
		///</summary>
		[ChildEntityType(typeof(TList<GrnDetails>))]
		GrnDetailsCollection,
		///<summary>
		/// Entity <c>GrnVoid</c> as OneToOne for GrnVoid
		///</summary>
		[ChildEntityType(typeof(GrnVoid))]
		GrnVoid,
	}
	
	#endregion GrnChildEntityTypes
	
	#region GrnFilterBuilder
	
	/// <summary>
	/// A strongly-typed instance of the <see cref="SqlFilterBuilder&lt;GrnColumn&gt;"/> class
	/// that is used exclusively with a <see cref="Grn"/> object.
	/// </summary>
	[CLSCompliant(true)]
	public class GrnFilterBuilder : SqlFilterBuilder<GrnColumn>
	{
		#region Constructors

		/// <summary>
		/// Initializes a new instance of the GrnFilterBuilder class.
		/// </summary>
		public GrnFilterBuilder() : base() { }

		/// <summary>
		/// Initializes a new instance of the GrnFilterBuilder class.
		/// </summary>
		/// <param name="ignoreCase">Specifies whether to create case-insensitive statements.</param>
		public GrnFilterBuilder(bool ignoreCase) : base(ignoreCase) { }

		/// <summary>
		/// Initializes a new instance of the GrnFilterBuilder class.
		/// </summary>
		/// <param name="ignoreCase">Specifies whether to create case-insensitive statements.</param>
		/// <param name="useAnd">Specifies whether to combine statements using AND or OR.</param>
		public GrnFilterBuilder(bool ignoreCase, bool useAnd) : base(ignoreCase, useAnd) { }

		#endregion Constructors
	}

	#endregion GrnFilterBuilder
	
	#region GrnParameterBuilder
	
	/// <summary>
	/// A strongly-typed instance of the <see cref="ParameterizedSqlFilterBuilder&lt;GrnColumn&gt;"/> class
	/// that is used exclusively with a <see cref="Grn"/> object.
	/// </summary>
	[CLSCompliant(true)]
	public class GrnParameterBuilder : ParameterizedSqlFilterBuilder<GrnColumn>
	{
		#region Constructors

		/// <summary>
		/// Initializes a new instance of the GrnParameterBuilder class.
		/// </summary>
		public GrnParameterBuilder() : base() { }

		/// <summary>
		/// Initializes a new instance of the GrnParameterBuilder class.
		/// </summary>
		/// <param name="ignoreCase">Specifies whether to create case-insensitive statements.</param>
		public GrnParameterBuilder(bool ignoreCase) : base(ignoreCase) { }

		/// <summary>
		/// Initializes a new instance of the GrnParameterBuilder class.
		/// </summary>
		/// <param name="ignoreCase">Specifies whether to create case-insensitive statements.</param>
		/// <param name="useAnd">Specifies whether to combine statements using AND or OR.</param>
		public GrnParameterBuilder(bool ignoreCase, bool useAnd) : base(ignoreCase, useAnd) { }

		#endregion Constructors
	}

	#endregion GrnParameterBuilder
	
	#region GrnSortBuilder
    
    /// <summary>
    /// A strongly-typed instance of the <see cref="SqlSortBuilder&lt;GrnColumn&gt;"/> class
	/// that is used exclusively with a <see cref="Grn"/> object.
    /// </summary>
    [CLSCompliant(true)]
    public class GrnSortBuilder : SqlSortBuilder<GrnColumn>
    {
		#region Constructors

		/// <summary>
		/// Initializes a new instance of the GrnSqlSortBuilder class.
		/// </summary>
		public GrnSortBuilder() : base() { }

		#endregion Constructors

    }    
    #endregion GrnSortBuilder
	
} // end namespace
